Migrate to mantine v6 (#15)

* Add letter spacing to cell text

* Set window control height in px

* Add temp unused routes

* Migrate text title font weights

* Bump mantine to v6 alpha

* Migrate modals / notifications

* Increase header bar to 65px

* Adjust play button props

* Migrate various components

* Migrate various pages and root styles

* Adjust default badge padding

* Fix sidebar spacing

* Fix list header badges

* Adjust default theme

src/renderer/features/servers/components/server-list.tsx

@@ -30,7 +30,7 @@ export const ServerList = () => {
         sx={{
           position: 'absolute',
           right: 55,
-          transform: 'translateY(-4.5rem)',
+          transform: 'translateY(-2.5rem)',
         }}
       >
         <Button